lethal applies to something that is bound to cause death or exists for the destruction of life.

Add to word list able to cause or causing death; extremely dangerous: a lethal weapon (Definition of lethal from the Cambridge Academic Content Dictionary © Cambridge University Press)

Lethal definition: of, relating to, or causing death; deadly; fatal: a lethal dose.. See examples of LETHAL used in a sentence.

1. Causing or capable of causing death: a lethal weapon. See Synonyms at fatal. 2. Extremely harmful; devastating: accusations lethal to the candidate's image.

Definition of lethal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Some common synonyms of lethal are deadly, fatal, and mortal. While all these words mean "causing or capable of causing death," lethal applies to something that is bound to cause …

Lethal injection is the practice of injecting one or more drugs into a person (typically a barbiturate, paralytic, and potassium) for the express purpose of causing death. The main application for …

fatal: a lethal weapon; a lethal injection. fatal: a lethal weapon; a lethal dose. made to cause death: a lethal chamber; a lethal attack. causing great harm or destruction: The disclosures …

Aug 15, 2025 · lethal (comparative more lethal, superlative most lethal) Of, pertaining to, or causing death; deadly; mortal; fatal. quotations

lethal in American English (ˈliθəl ) adjective causing or capable of causing death; fatal or deadly